202222021001 has 32 divisors (see below), whose sum is σ = 272003090688. Its totient is φ = 145192861440.

The previous prime is 202222020989. The next prime is 202222021003. The reversal of 202222021001 is 100120222202.

It is a de Polignac number, because none of the positive numbers 2^k-202222021001 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (202222021003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376211 + ... + 738903.

It is an arithmetic number, because the mean of its divisors is an integer number (8500096584).

Almost surely, 2^202222021001 is an apocalyptic number.

It is an amenable number.

202222021001 is a deficient number, since it is larger than the sum of its proper divisors (69781069687).

202222021001 is a wasteful number, since it uses less digits than its factorization.

202222021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363281.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 202222021001 its reverse (100120222202), we get a palindrome (302342243203).

It can be divided in two parts, 20222202 and 1001, that multiplied together give a palindrome (20242424202).

The spelling of 202222021001 in words is "two hundred two billion, two hundred twenty-two million, twenty-one thousand, one".